18068777 has 8 divisors (see below), whose sum is σ = 18916800. Its totient is φ = 17226000.

The previous prime is 18068767. The next prime is 18068803. The reversal of 18068777 is 77786081.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18068777 - 2⁸ = 18068521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18068717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6902 + ... + 9152.

It is an arithmetic number, because the mean of its divisors is an integer number (2364600).

Almost surely, 2^18068777 is an apocalyptic number.

It is an amenable number.

18068777 is a deficient number, since it is larger than the sum of its proper divisors (848023).

18068777 is a wasteful number, since it uses less digits than its factorization.

18068777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623.

The product of its (nonzero) digits is 131712, while the sum is 44.

The square root of 18068777 is about 4250.7384064419. The cubic root of 18068777 is about 262.4075054321.

The spelling of 18068777 in words is "eighteen million, sixty-eight thousand, seven hundred seventy-seven".